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Edit this profileDat W. Nguyen, MD practices family medicine in La Mesa, CA. According to Medicare claims data, Dat cared for 448 Medicare patients across 2,726 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes, and established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more. The provider's National Provider Identifier (NPI) is 1386626448.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
5565 GROSSMONT CENTER DR STE 229
La Mesa, CA 91942
Within Family Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Cardiometabolic
Digestive
Genitourinary and reproductive
Musculoskeletal and pain
Neurologic and behavioral
Respiratory and infectious
Skin
Common childhood and ear conditions
Pain & Joints
Most searched procedures
Preventive interventions
Screening and testing
Diagnostic Tests
Exams & Screenings
Foot and Leg Pain
Heart & Circulation
Injections
Lungs & Breathing
Minor Procedures
Occupational Health
Office procedures
Pain Management
Preventive Care
Respiratory
Senior Care
Sexual & Reproductive Health
Skin Procedures
Sleep Health
Urgent Care Procedures
Wellness & Weight
Women's Health
2,726 services · 448 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Respiratory infectious agent detection by rna for severe acute respiratory syndrome coronavirus 2 (covid-19), influenza a, and influenza b) in upper respiratory specimen, each reported as detected or not detected | 0240U |
41 | More than most peers in Family Medicine | |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
1,265 | More than most peers in Family Medicine |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes | Office visit | 99307 |
729 | More than most peers in Family Medicine |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
264 | More than most peers in Family Medicine |
| Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | Office visit | 99310 |
218 | More often than most peers in Family Medicine |
| Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more | Office visit | 99306 |
69 | As often as other peers in Family Medicine |
| Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) | Lab test | 87811 |
42 | More often than most peers in Family Medicine |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
41 | As often as other peers in Family Medicine |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
38 | As often as other peers in Family Medicine |
| Advance care planning, first 30 minutes | Office visit | 99497 |
19 | Less often than most peers in Family Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Nguyen is a family doctor in La Mesa, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.
NPI registry
Dr. Nguyen is listed at 5565 Grossmont Center Dr Ste 229, La Mesa, CA 91942. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (858) 349-3760. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Nguyen's National Provider Identifier is 1386626448. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Nguyen has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
According to Medicare billing data, Dr. Nguyen the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Nguyen. If this is you, claiming it is free.
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